William Blair & Company
SNDK

William Blair & Company’s Sandisk SNDK Stock Holding History

William Blair & Company’s Portfolio SNDK Stock Details SNDK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$4.26M Buy
6,699
+1,412
+27% +$798K 0.01% 540
2025
Q4 		$1.26M Buy
5,287
+17
+0.3% +$3.4K ﹤0.01% 875
2025
Q3 		$591K Sell
5,270
-1,114
-17% -$65K ﹤0.01% 1063
2025
Q2 		$290K Sell
6,384
-101
-2% -$3.86K ﹤0.01% 1282
2025
Q1 		$309K Buy
+6,485
New +$322K ﹤0.01% 1248

Other funds holding SNDK

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return

William Blair & Company's SNDK Position: Q1 2026 in Review

William Blair & Company increased its Sandisk (SNDK) stake by 27% in Q1 2026, buying an estimated $798K and bringing the position to 6,699 shares worth $4.26M. The position accounts for 0.01% of the portfolio, ranked #540.

William Blair & Company first reported a position in SNDK in Q1 2025 and has held it in 5 quarters since. 1,171 funds tracked by Wall St. Rank hold SNDK as of Q1 2026.

  • William Blair & Company held 6,699 shares of Sandisk worth $4.26M as of Q1 2026.
  • William Blair & Company bought 1,412 Sandisk shares in Q1 2026, an estimated $798K.
  • Sandisk made up 0.01% of William Blair & Company's portfolio in Q1 2026, its #540 holding.
  • William Blair & Company first reported a position in Sandisk in Q1 2025 and has held it in 5 quarters since.
  • 1,171 funds tracked by Wall St. Rank held Sandisk as of Q1 2026.

Based on William Blair & Company's 13F filing for Q1 2026, filed 8 May 2026.